# OC Root 2nd 3rd PC Gene/Definition OC.335632 Bacteria.345962 Spirochaetes.34552 ssm.677 ssm:Spirs_0611 thiamine pyrophosphate protein domain protein TPP-binding protein; K00175 2-oxoglutarate/2-oxoacid ferredoxin oxidoreductase subunit beta [EC:1.2.7.3 1.2.7.11]